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Finding the Fourth Proportional to 394,525.78, 592,209.87 and 169,997.02

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Solution

The fourth proportional to 394,525.78, 592,209.87 and 169,997.02 is: 255,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,525.78 : 592,209.87 = 169,997.02 : x
  2. Step 2: Convert to fraction form
    394,525.78/592,209.87 = 169,997.02/x
  3. Step 3: Cross multiply
    394,525.78x = 592,209.87 × 169,997.02
  4. Step 4: Simplify right side
    394,525.78x = 100,673,910,996.57
  5. Step 5: Solve for x
    x = 100,673,910,996.57/394,525.78
  6. Step 6: Final answer
    x = 255,177.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.